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Backport from 2012-09-28 trunk r191821.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-09-28  Georg-Johann Lay  <avr@gjlay.de>
2
3         Backport from 2012-09-28 trunk r191821.
4         * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic.
5
6 2012-09-27  Jakub Jelinek  <jakub@redhat.com>
7
8         PR target/54703
9         * simplify-rtx.c (simplify_binary_operation_1): Perform
10         (x - (x & y)) -> (x & ~y) optimization only for integral
11         modes.
12
13 2012-09-24  Eric Botcazou  <ebotcazou@adacore.com>
14
15         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in
16         TYPE_NONALIASED_COMPONENT flag.
17         * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out
18         TYPE_NONALIASED_COMPONENT flag.
19
20 2012-09-21  Richard Guenther  <rguenther@suse.de>
21
22         PR middle-end/54638
23         Backport from mainline
24         2012-04-19  Richard Guenther  <rguenther@suse.de>
25
26         * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound
27         array access.
28
29 2012-09-20  Joseph Myers  <joseph@codesourcery.com>
30
31         PR c/54552
32         * c-typeck.c (c_cast_expr): When casting to a type requiring
33         C_MAYBE_CONST_EXPR to be created, pass the inner expression to
34         c_fully_fold first.
35
36 2012-09-20  Joseph Myers  <joseph@codesourcery.com>
37
38         PR c/54103
39         * c-typeck.c (build_unary_op): Pass original argument of
40         TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
41         any C_MAYBE_CONST_EXPR, if it has integer operands.
42         (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
43         TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
44         to c_objc_common_truthvalue_conversion, then remove any
45         C_MAYBE_CONST_EXPR, if they have integer operands.  Use
46         c_objc_common_truthvalue_conversion not
47         c_common_truthvalue_conversion.
48         (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
49         call note_integer_operands for arguments with integer operands
50         that are not integer constants.
51
52 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
53
54         Backported from mainline
55         2012-09-17  Jakub Jelinek  <jakub@redhat.com>
56
57         PR tree-optimization/54563
58         * tree-ssa-math-opts.c (execute_cse_sincos): Call
59         gimple_purge_dead_eh_edges if last call has been changed.
60
61         2012-09-14  Jakub Jelinek  <jakub@redhat.com>
62
63         PR target/54564
64         * config/i386/sse.md (fmai_vmfmadd_<mode>): Use (match_dup 1)
65         instead of (match_dup 0) as second argument to vec_merge.
66         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>): Likewise.
67         Remove third alternative.
68         (*fmai_fnmadd_<mode>, *fmai_fnmsub_<mode>): Likewise.  Negate
69         operand 2 instead of operand 1, but put it as first argument
70         of fma.
71         * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss,
72         _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead
73         of the first.
74
75 2012-09-20  Jakub Jelinek  <jakub@redhat.com>
76
77         * BASE-VER: Set to 4.7.3.
78         * DEV-PHASE: Set to prerelease.
79
80 2012-09-20  Release Manager
81
82         * GCC 4.7.2 released.
83
84 2012-09-15  Andi Kleen  <ak@linux.intel.com>
85
86         Backport from mainline
87         2012-09-07  Andi Kleen  <ak@linux.intel.com>
88
89         * gcc/lto-streamer.h (res_pair): Add.
90         (lto_file_decl_data): Replace resolutions with respairs.
91         Add max_index.
92         * gcc/lto/lto.c (lto_resolution_read): Remove max_index.  Add rp.
93         Initialize respairs.
94         (lto_file_finalize): Set up resolutions vector lazily from respairs.
95
96 2012-09-14  Walter Lee  <walt@tilera.com>
97
98         Backport from mainline.
99         2012-09-14  Walter Lee  <walt@tilera.com>
100
101         * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
102         option for TILEPro and TILE-Gx.
103
104 2012-09-13  Uros Bizjak  <ubizjak@gmail.com>
105
106         * config/i386/i386.h (x86_prefetchw): New global variable.
107         (TARGET_PREFETCHW): New macro.
108         * config/i386/i386.c (PTA_PREFETCHW): Ditto.
109         (processor_alias_table): Add PTA_PREFETCHW to
110         bdver1, bdver2 and btver1.
111         (ix86_option_override_internal): Set x86_prefetchw for
112         PTA_PREFETCHW targets.
113         * config/i386/i386.md (prefetch): Expand to prefetchw
114         for TARGET_PREFETCHW.
115         (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
116
117         Backport from mainline
118         2012-08-13  Uros Bizjak  <ubizjak@gmail.com>
119
120         * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
121         (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
122         Rename to ...
123         (*prefetch_sse): ... this.
124         (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
125         Rename to ...
126         (*prefetch_3dnow): ... this.
127
128 2012-09-13  Jakub Jelinek  <jakub@redhat.com>
129
130         PR c/54559
131         * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
132         COMPLEX_TYPE with in_late_binary_op set temporarily to true.
133
134 2012-09-12  Teresa Johnson  <tejohnson@google.com>
135
136         Backport from mainline.
137         2012-09-12  Teresa Johnson  <tejohnson@google.com>
138
139         PR gcov-profile/54487
140         * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
141         test using F_SETLKW with fcntl.
142         * configure, config.in: Regenerate.
143
144 2012-09-12  Uros Bizjak  <ubizjak@gmail.com>
145
146         Backport from mainline
147         2012-09-12  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
148
149         * config/i386/i386.md : Comments on fma4 instruction selection
150         reflect requirement on register pressure based cost model.
151
152         * config/i386/driver-i386.c (host_detect_local_cpu): fma4
153         flag is set-reset as informed by the cpuid flag.
154
155         * config/i386/i386.c (processor_alias_table): fma4
156         flag is enabled for bdver2.
157
158 2012-09-12  Christian Bruel  <christian.bruel@st.com>
159
160        * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
161
162 2012-09-12  Jakub Jelinek  <jakub@redhat.com>
163
164         * config.gcc: Obsolete picochip-*.
165
166 2012-09-11  Richard Guenther  <rguenther@suse.de>
167
168         PR debug/54534
169         * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
170         on flag_toplevel_reorder.
171
172 2012-09-10  Richard Henderson  <rth@redhat.com>
173
174         * config/alpha/predicates.md (small_symbolic_operand): Disallow
175         large offsets.
176
177 2012-09-10  Georg-Johann Lay  <avr@gjlay.de>
178
179         Backport from 2012-09-10 mainline r191132.
180
181         PR target/54536
182         * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
183
184 2012-09-10  Markus Trippelsdorf  <markus@trippelsdorf.de>
185
186         PR middle-end/54515
187         * tree-sra.c (disqualify_base_of_expr): Check for possible
188         NULL_TREE returned by get_base_address()
189
190 2012-09-07  Richard Guenther  <rguenther@suse.de>
191
192         Backport from mainline
193         2012-06-26  Jan Hubicka  <jh@suse.cz>
194
195         PR lto/53572
196         * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
197         used symbols.
198
199 2012-09-07  Richard Guenther  <rguenther@suse.de>
200
201         Backport from mainline
202         2012-07-13  Richard Guenther  <rguenther@suse.de>
203
204         PR tree-optimization/53922
205         * tree-vrp.c (value_inside_range): Change prototype to take
206         min/max instead of value-range.
207         (range_includes_zero_p): Likewise.  Return the result from
208         value_inside_range.
209         (extract_range_from_binary_expr_1): Adjust to handle dont-know
210         return value from range_includes_zero_p.
211         (extract_range_from_unary_expr_1): Likewise.
212         (compare_range_with_value): Likewise.
213         (vrp_meet_1): Likewise.
214
215 2012-09-07  Richard Guenther  <rguenther@suse.de>
216
217         PR middle-end/53667
218         * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
219         EAF_NOESCAPED arguments.  Transitively close non-EAF_DIRECT
220         arguments separately.
221
222 2012-09-07  Jakub Jelinek  <jakub@redhat.com>
223
224         Backported from mainline
225         2012-09-06  Jakub Jelinek  <jakub@redhat.com>
226
227         PR rtl-optimization/54455
228         * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
229         bb ends up with asm goto referencing bb's label.
230
231 2012-09-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
232
233         Backport from mainline.
234         2012-08-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
235                     Richard Earnshaw  <richard.earnshaw@arm.com>
236
237         PR target/54252
238         * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
239         element size. Use elem_type from the formal parameter. New parameter
240         fcode.
241         (neon_expand_args): Adjust call to neon_dereference_pointer.
242
243 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
244
245         * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
246         reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
247
248 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
249
250         Backport from mainline
251         2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
252
253         * config/i386/i386.md (isa): Add fma and fma4.
254         (enabled): Handle fma and fma4.
255         * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
256         (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
257         (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
258         (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
259         (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
260         (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
261
262         2012-08-10  Uros Bizjak  <ubizjak@gmail.com>
263
264         * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
265         *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
266         *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
267
268 2012-09-06  Richard Guenther  <rguenther@suse.de>
269
270         PR tree-optimization/54498
271         * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
272         abort when reaching an already visited region.
273         * tree-ssa-alias.c (maybe_skip_until): Likewise.  And do it.
274         (get_continuation_for_phi_1): Likewise.
275         (walk_non_aliased_vuses): When we translated the reference,
276         abort when we re-visit a region.
277         * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
278
279 2012-09-06  Andrew Pinski  <apinski@cavium.com>
280
281         PR tree-opt/54494
282         * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
283
284 2012-09-05  Jakub Jelinek  <jakub@redhat.com>
285
286         PR middle-end/54486
287         * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
288         build_int_cst with size_type_node instead of size_int.
289
290 2012-09-05  Georg-Johann Lay  <avr@gjlay.de>
291
292         Backport from 2012-09-05 mainline r190697.
293
294         PR target/54461
295         * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
296         configured --with-avrlibc.
297         (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
298         --with-avrlibc.
299         * config/avr/avrlibc.h: New file.
300         * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
301         configured --with-avrlibc.
302         * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
303
304 2012-09-05  Bin Cheng  <bin.cheng@arm.com>
305
306         Backport from 2012-09-04 mainline r190919
307
308         PR target/45070
309         * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
310         of size less than 4 bytes by using macro ARM_NUM_INTS.
311         (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
312
313 2012-09-04  Richard Henderson  <rth@redhat.com>
314
315         * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
316
317 2012-09-04  Georg-Johann Lay  <avr@gjlay.de>
318
319         Backport from 2012-09-04 mainline r190920
320
321         PR target/54476
322         * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
323
324 2012-09-04  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
325
326         Backport from 2012-09-04 mainline r190914
327
328         PR target/54220
329         * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
330         define to...
331         (avr_allocate_stack_slots_for_args): ...this new static function.
332
333 2012-09-03  H.J. Lu  <hongjiu.lu@intel.com>
334
335         Backported from mainline
336         2012-08-23  H.J. Lu  <hongjiu.lu@intel.com>
337
338         PR driver/54335
339         * doc/invoke.texi: Add -da and remove -dm.
340
341 2012-09-03  Jakub Jelinek  <jakub@redhat.com>
342
343         Backported from mainline
344         2012-09-01  Jakub Jelinek  <jakub@redhat.com>
345
346         PR target/54436
347         * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
348         operands[1] is CONST_INT_P, convert it to QImode before printing.
349
350         2012-08-31  Jakub Jelinek  <jakub@redhat.com>
351
352         PR c/54428
353         * c-convert.c (convert): Don't call fold_convert_loc if
354         TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
355         is a COMPLEX_EXPR.  Remove TYPE_MAIN_VARIANT check from
356         COMPLEX_TYPE -> COMPLEX_TYPE conversion.
357
358         2012-08-24  Jakub Jelinek  <jakub@redhat.com>
359
360         PR c/54363
361         * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
362         if init is a CONSTRUCTOR.
363
364 2012-09-02  Eric Botcazou  <ebotcazou@adacore.com>
365
366         PR rtl-optimization/54369
367         * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
368         calling dbr_schedule.
369         * config/sparc/sparc.c (sparc_reorg): Likewise.
370
371 2012-08-31  Kirill Yukhin  <kirill.yukhin@intel.com>
372
373         Backport from mainline
374         2012-08-23  Yuri Rumyantsev  <ysrumyan@gmail.com>
375
376         * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
377         case for Atom processor.
378
379 2012-08-28  Uros Bizjak  <ubizjak@gmail.com>
380
381         Backport from mainline
382         2012-08-27  Uros Bizjak  <ubizjak@gmail.com>
383
384         PR target/46254
385         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
386         true for TARGET_64BIT or !flag_pic.
387         * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
388         (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
389         to cmpxchg8b_pic_memory_operand.  Use DWIH mode iterator.
390         Add insn constraint.  Conditionally emit xchg asm insns.
391         (atomic_compare_and_swap<mode>): Update calls.  Check only
392         cmpxchg8b_pic_memory_operand in memory address fixup.
393         (DCASMODE): Remove.
394         (CASHMODE): Rename from DCASHMODE.
395         (doublemodesuffix): Update modes.
396         (regprefix): New mode attribute.
397
398         (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
399         <UNSPECV_CMPXCHG>: New constant.
400         (atomic_compare_and_swap<mode>_1): Rename from
401         atomic_compare_and_swap_single<mode>.  Update calls and
402         unspec_volatile constants.
403         (atomic_compare_and_swap<mode>_doubleword): Rename from
404         atomic_compare_and_swap_double<mode>.  Update calls and
405         unspec_volatile constants.
406
407 2012-08-28  Walter Lee  <walt@tilera.com>
408
409         Backport from mainline
410         2012-08-28  Walter Lee  <walt@tilera.com>
411
412         * confg/tilegx/tilegx.md: Fix code style.
413         (*zero_extendsidi_truncdisi): Fix typo.
414         * config/tilegx/tilegx.c: Fix code style.
415         (tilegx_function_profiler): Fix typo.
416
417 2012-08-27  Walter Lee  <walt@tilera.com>
418
419         Backport from mainline
420         2012-08-27  Walter Lee  <walt@tilera.com>
421
422         * doc/md.texi (TILE-Gx): Fix typo.
423
424 2012-08-27  Walter Lee  <walt@tilera.com>
425
426         Backport from mainline
427         2012-08-27  Walter Lee  <walt@tilera.com>
428
429         * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
430         * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
431
432 2012-08-27  Walter Lee  <walt@tilera.com>
433
434         Backport from mainline
435         2012-08-27  Walter Lee  <walt@tilera.com>
436
437         * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
438         (insn_bfins): Delete.
439
440 2012-08-27  Walter Lee  <walt@tilera.com>
441
442         Backport from mainline
443         2012-08-27  Walter Lee  <walt@tilera.com>
444
445         * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
446         atomic_exchange_bare<mode>,
447         atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
448         * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
449         * config/tilegx/tilegx.md (type): Add X1_remove.
450         (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
451         insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
452         insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
453         X1_remote.
454
455 2012-08-25  Eric Botcazou  <ebotcazou@adacore.com>
456
457         PR rtl-optimization/54088
458         * jump.c (delete_related_insns): Robustify latest change.
459
460 2012-08-21  Richard Guenther  <rguenther@suse.de>
461
462         Backport from mainline
463         2012-08-16  Richard Guenther  <rguenther@suse.de>
464
465         PR middle-end/54146
466         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
467         exit vector.
468         * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
469         * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
470         * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
471         * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
472         (tree_ssa_lim_finalize): Free all mem_refs.
473         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
474         scc when bailing out.
475         * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
476         * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
477         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
478         FOR_EACH_LOOP_BREAK.
479
480         2012-08-17  Richard Guenther  <rguenther@suse.de>
481
482         * tree-sra.c (modify_function): Free redirect_callers vector.
483         * ipa-split.c (split_function): Free args_to_pass vector.
484         * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
485         vec_oprnds.
486         (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
487         * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
488         (vect_analyze_slp_instance): Free everything.
489         (destroy_bb_vec_info): Free the SLP instances.
490
491         2012-08-17  Richard Guenther  <rguenther@suse.de>
492
493         * params.def (integer-share-limit): Decrease from 256 to 251,
494         add rationale.
495
496         2012-08-21  Richard Guenther  <rguenther@suse.de>
497
498         * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
499         the affine expansion cache.
500
501 2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
502
503         Backported from trunk
504         2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
505
506         PR middle-end/53992
507         * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
508
509 2012-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
510
511         Backport from mainline.
512         2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
513
514         PR target/54212
515         * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
516         mark as predicable. Adjust asm template.
517         (vec_setv2di_internal): Likewise.
518         (vec_extract<mode> VD, VQ): Likewise.
519         (vec_extractv2di): Likewise.
520         (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
521         (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
522         (neon_vdup_n<mode> VX, V32): Likewise.
523         (neon_vdup_nv2di): Likewise.
524
525 2012-08-17  Walter Lee  <walt@tilera.com>
526
527         Backport from mainline
528         2012-08-17  Walter Lee  <walt@tilera.com>
529
530         * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
531         (FEEDBACK_ENTER): Define.
532         (FEEDBACK_REENTER): Define.
533         (FEEDBACK_ENTRY): Define.
534         * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
535         (FEEDBACK_ENTER): Define.
536         (FEEDBACK_REENTER): Define.
537         (FEEDBACK_ENTRY): Define.
538
539 2012-08-16  Walter Lee  <walt@tilera.com>
540
541         Backport from mainline
542         2012-08-16  Walter Lee  <walt@tilera.com>
543
544         * config.gcc (tilegx-*-linux*): Add feedback.h.
545         (tilepro-*-linux*): Likewise.
546         * config/tilegx/feedback.h: New file.
547         * config/tilepro/feedback.h: New file.
548
549 2012-08-08  Pavel Chupin  <pavel.v.chupin@intel.com>
550
551         Backport from mainline r189840 and r187586:
552         2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
553
554         * config/i386/i386.md (stack_protect_set): Disable the pattern
555         for Android since Android libc (bionic) does not provide random
556         value for stack protection guard at gs:0x14. Guard value
557         will be provided from external symbol (default implementation).
558         (stack_protect_set_<mode>): Likewise.
559         (stack_protect_test): Likewise.
560         (stack_protect_test_<mode>): Likewise.
561         * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
562         not have Bionic by default
563         * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
564         Macro OPTION_BIONIC is defined in this file and provides Bionic
565         accessibility status
566
567         2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
568
569         * configure.ac: Stack protector enabling for Android targets.
570         * configure: Regenerate.
571
572 2012-08-13  Jakub Jelinek  <jakub@redhat.com>
573
574         Backported from trunk
575         2012-07-19  Jakub Jelinek  <jakub@redhat.com>
576
577         PR rtl-optimization/53942
578         * function.c (assign_parm_setup_reg): Avoid zero/sign extension
579         directly from likely spilled non-fixed hard registers, move them
580         to pseudo first.
581
582 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
583
584         * config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
585         (xop_phaddubq): Ditto.
586
587 2012-08-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
588
589         Backport from mainline
590         2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
591                     Richard Earnshaw  <rearnsha@arm.com>
592
593         * target.def (vector_alignment): New target hook.
594         * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
595         * doc/tm.texi: Regenerate.
596         * targhooks.c (default_vector_alignment): New function.
597         * targhooks.h (default_vector_alignment): Add prototype.
598         * stor-layout.c (layout_type): Use targetm.vector_alignment.
599         * config/arm/arm.c (arm_vector_alignment): New function.
600         (TARGET_VECTOR_ALIGNMENT): Define.
601
602         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
603         vector type alignment instead of size.
604         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
605         element type size directly instead of computing it from alignment.
606         Fix variable naming and comment.
607
608 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
609
610         Backport from mainline
611         2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
612
613         * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
614         (alpha_pad_function_end): ... this.  Also insert NOP between
615         sibling call and GP load.
616         (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.
617
618 2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>
619
620         Backport from mainline
621         2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
622                     H.J. Lu  <hongjiu.lu@intel.com>
623
624         PR rtl-optimization/54157
625         * combine.c (gen_lowpart_for_combine): Don't return identity
626         for CONST or symbolic reference.
627
628 2012-08-06  Uros Bizjak  <ubizjak@gmail.com>
629
630         Backport from mainline
631         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
632
633         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
634         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
635         split_cost argument signed.
636         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
637         (ix86_avoid_lea_for_addr): Ditto.
638
639         2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
640
641         * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
642         the address has less than two components.
643
644 2012-08-02  Steve Ellcey  <sellcey@mips.com>
645
646         Backport from mainline
647         2012-07-19  Steve Ellcey  <sellcey@mips.com>
648
649         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
650         MIPS16 mode.
651
652 2012-08-02  Uros Bizjak  <ubizjak@gmail.com>
653
654         Backport from mainline
655         2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
656
657         PR target/53961
658         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
659         negative constant address for TARGET_X32 ...
660         (ix86_decompose_address): ... here.  Reject constant addresses
661         that don't satisfy x86_64_immediate_operand predicate.
662
663         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
664
665         PR target/53961
666         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
667         * config/i386/i386.c (ix86_print_operand_address): Ditto.
668         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
669         addresses.  Prevent zero extensions of CONST_INT operands.
670
671         2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
672
673         PR target/53961
674         * config/i386/i386.md (*lea): New insn pattern.
675         (*lea_1): Remove.
676         (*lea<mode>_2): Ditto.
677         (*lea_{3,4,5,6}_zext): Ditto.
678         * config/i386/predicates.md (lea_address_operand): Do not reject
679         zero-extended address operands.
680         * config/i386/constraints.md (j): Remove address constraint.
681         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
682         of an address.
683         (ix86_print_operand_address): Handle SImode subreg of an address.
684         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
685
686 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
687
688         Backport from mainline
689         2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
690
691         PR target/52530
692         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
693         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
694         to set code to 'q'.
695         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
696         (*movdi_internal_rex64): Use %E operand modifier for lea.
697         (*movsi_internal): Ditto.
698         (*lea_1): Ditto.
699         (*lea<mode>_2): Ditto.
700         (*lea_{3,4,5,6}_zext): Ditto.
701         (*tls_global_dynamic_32_gnu): Ditto.
702         (*tls_global_dynamic_64): Ditto.
703         (*tls_dynamic_gnu2_lea_32): Ditto.
704         (*tls_dynamic_gnu2_lea_64): Ditto.
705         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
706
707 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
708
709         Backport from mainline
710         2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
711
712         * config/i386/i386.c (ix86_address_subreg_operand): Reject
713         stack pointer.
714         (ix86_print_operand_address): Assert that parts.base and parts.index
715         are non-NULL after call to simplify_subreg.
716
717 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
718
719         PR target/33135
720         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
721         description.
722         * config/sh/sh.c (sh_option_override): Do not change
723         flag_finite_math_only.  Set TARGET_IEEE to complement of
724         flag_finite_math_only.
725         * doc/invoke.texi (SH options): Add mno-ieee.  Correct
726         description of mieee and mno-ieee behavior.
727
728 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
729
730         PR target/53877
731         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
732         (_lzcnt_u64): Ditto.
733
734 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
735
736         Backport from mainline
737         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
738
739         PR rtl-optimization/52250
740         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
741         to put note list into.  Unconditionally call move_bb_info.
742         (move_bb_info): Do not assert the blocks being in the same region,
743         just drop the note list if they are not.
744
745 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
746
747         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
748
749 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
750
751         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
752         defining statement is a SSA name that occurs in abnormal PHIs.
753
754 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
755
756         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
757         conversions.
758
759 2012-07-19  Richard Guenther  <rguenther@suse.de>
760             Eric Botcazou  <ebotcazou@adacore.com>
761
762         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
763         about transition from invariant to known bits.
764         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
765
766 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
767
768         PR middle-end/54017
769         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
770         (cleanup_tree_cfg_bb): Don't call it.
771         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
772         handling.
773
774 2012-07-19  Christian Bruel  <christian.bruel@st.com>
775
776         PR target/54029
777         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
778
779 2012-07-18  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
780
781         * config.gcc (v850-*-rtems*): New target.
782         * config/v850/rtems.h: New.
783         * config/v850/t-rtems: New.
784
785 2012-07-18  Nick Clifton  <nickc@redhat.com>
786
787         * doc/invoke.texi (ARM Options): Document -munaligned-access.
788
789 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
790
791         PR target/53961
792
793         Backport from mainline
794         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
795
796         PR target/53110
797         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
798         instead expand it as zero extension.
799
800 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
801
802         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
803         QImode and HImode splitters.  Use ix86_comparison_operator.
804         Explicitly match FLAGS_REG.
805         (DFmode cmove splitter): Explicitly match FLAGS_REG.
806
807 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
808             Steven Bosscher  <steven@gcc.gnu.org>
809             Bernd Schmidt  <bernds@codesourcery.com>
810
811         PR rtl-optimization/53908
812         * df-problems.c (can_move_insns_across): When doing
813         memory-reference book-keeping, handle call insns.
814
815 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
816
817         Backport from mainline
818         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
819
820         PR target/53811
821         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
822         sibcall_insn_operand.  Move it to a temporary register if not.
823
824         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
825
826         PR target/53853
827         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
828         emit PIC sequence for fnaddr symbol reference in advance.
829
830 2012-07-09  Jason Merrill  <jason@redhat.com>
831
832         PR c++/53882
833         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
834         (type_hash_eq): Likewise.
835
836         PR c++/53826
837         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
838
839 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
840
841         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
842         due to negative shift amount.
843
844 2012-07-06  Kai Tietz  <ktietz@redhat.com>
845
846         Backport from mainline.
847         PR bootstrap/52947
848         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
849         as "/mingw/include".
850
851 2012-07-06  Nick Clifton  <nickc@redhat.com>
852
853         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
854         default_encode_section_info.
855
856 2012-07-06  Richard Guenther  <rguenther@suse.de>
857
858         Backport from mainline
859         2012-03-30  Richard Guenther  <rguenther@suse.de>
860
861         PR middle-end/52786
862         * double-int.c (rshift_double): Remove not needed cast.
863
864         2012-03-28  Richard Guenther  <rguenther@suse.de>
865
866         PR middle-end/50708
867         * double-int.h (rshift_double): Remove.
868         * double-int.c (lshift_double): Use absu_hwi to make count
869         positive.
870         (rshift_double): Make static, take unsigned count argument,
871         remove handling of negative count argument.
872         (double_int_rshift): Dispatch to lshift_double.
873
874 2012-07-06  Richard Guenther  <rguenther@suse.de>
875
876         Backport from mainline
877         2012-06-18  Richard Guenther  <rguenther@suse.de>
878
879         PR tree-optimization/53693
880         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
881         Reject operands with more than one use.
882
883 2012-07-06  Richard Guenther  <rguenther@suse.de>
884
885         Backport from mainline
886         2012-04-11  Richard Guenther  <rguenther@suse.de>
887
888         PR middle-end/52621
889         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
890         consider loop nesting.
891         (evolution_function_is_univariate_p): Properly check the remainder
892         for chrecs.
893
894 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
895
896         Backport from mainline
897         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
898
899         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
900         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
901         (adjacent_mem_locations): Move some code to and call...
902         (get_memref_parts): ...new function.
903         (mem_locations_overlap): New function.
904         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
905         (is_mem_ref): Rename to...
906         (find_mem_ref): ...this. Return MEM rtx.
907         (get_store_dest): Remove function.
908         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
909         new parameter and adjust calls.
910         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
911         mem refs overlap for true_store_to_load_dep_costly.
912         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
913         passed to adjacent_mem_locations.
914         (is_costly_group): Walk resolved dependency list.
915         (force_new_group): Emit group ending nop for Power6/Power7.
916         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
917         (group_ending_nop): New define_insn.
918
919 2012-07-04  Richard Guenther  <rguenther@suse.de>
920
921         PR middle-end/53433
922         * gimple-fold.c (get_base_constructor): Do not return an
923         error_mark_node DECL_INITIAL.
924
925 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
926
927         Backport from mainline
928         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
929
930         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
931         code model string in the error message.
932
933 2012-07-04  Tristan Gingold  <gingold@adacore.com>
934
935         Backport from mainline.
936         2012-06-25  Tristan Gingold  <gingold@adacore.com>
937
938         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
939         (seh_cfa_adjust_cfa): ... that function.
940         (seh_emit_stackalloc): Do not emit out of range values.
941         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
942         UNSPEC_DEF_CFA constants.
943         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
944         * config/i386/i386.c (ix86_frame_pointer_required): Required
945         for very large frames on SEH target.
946         (ix86_compute_frame_layout): Save area is before frame pointer
947         on SEH target.  Handle very large frames.
948         (ix86_expand_prologue): Likewise.
949
950 2012-07-04  Richard Guenther  <rguenther@suse.de>
951
952         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
953         as in free_lang_data_in_type.
954
955 2012-07-02  Martin Jambor  <mjambor@suse.cz>
956
957         Backport from mainline.
958         2012-07-02  Martin Jambor  <mjambor@suse.cz>
959
960         PR middle-end/38474
961         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
962         dynamic type change check.
963
964 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
965
966         * tree-eh.c (lower_try_finally_switch): Really put the location of the
967         last statement of the finally block onto the switch.
968
969 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
970
971         * configure: Regenerate.
972
973         Backport from mainline.
974         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
975
976         * config.gcc (target_type_format_char): New. Document it. Set it for
977         arm*-*-* .
978         * configure.ac (gnu_unique_option): Use target_type_format_char
979         in test.  Comment rationale.
980
981 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
982
983         Backport from mainline.
984         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
985
986         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
987
988 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
989
990         Backport from 2012-06-28 mainline r189049
991
992         PR 53595
993         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
994         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
995         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
996         avr_hard_regno_call_part_clobbered.
997
998 2012-06-28  Richard Guenther  <rguenther@suse.de>
999
1000         PR middle-end/53790
1001         * expr.c (expand_expr_real_1): Verify if the type is complete
1002         before inspecting its size.
1003
1004 2012-06-27  Nick Clifton  <nickc@redhat.com>
1005
1006         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
1007         input operand.
1008
1009 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
1010
1011         PR debug/53682
1012         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
1013
1014 2012-06-26  Nick Clifton  <nickc@redhat.com>
1015
1016         * config/rx/rx.md (simple_return): Use the simple_return rtx.
1017
1018 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
1019
1020         PR target/53759
1021         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
1022         of x x x in the vmovlps load alternative.
1023
1024 2012-06-22  Richard Guenther  <rguenther@suse.de>
1025
1026         * gcov-iov.c: Include bconfig.h and system.h.
1027
1028 2012-06-22  Richard Guenther  <rguenther@suse.de>
1029
1030         PR gcov-profile/53744
1031         * gcov-iov.c (main): Treat "" and "prerelease" the same.
1032
1033 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
1034
1035         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
1036         DECL_IGNORED_P non-reg vars even if they are used.
1037
1038 2012-06-19  Jason Merrill  <jason@redhat.com>
1039
1040         PR c++/52637
1041         * dwarf2out.c (modified_type_die): Use scope_die_for.
1042         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
1043         (uses_local_type_r, uses_local_type): New.
1044         (scope_die_for): Keep a type that uses a local type in local scope.
1045         Use get_context_die for namespace and type scope.
1046
1047 2012-06-19  Richard Guenther  <rguenther@suse.de>
1048
1049         PR middle-end/53470
1050         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
1051         replace it with the first non-BLOCK context.
1052
1053 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
1054
1055         PR rtl-optimization/53700
1056
1057         Backport from mainline
1058         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
1059
1060         * ira-color.c (setup_left_conflict_sizes_p): Process all
1061         conflicting objects.
1062
1063 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1064
1065         Backport from mainline
1066         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
1067
1068         PR target/52908
1069         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
1070         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
1071         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
1072         instead of xop_mulv2div2di3_low.
1073         (xop_p<macs>dql): Fix vec_select selector.
1074         (xop_p<macs>dqh): Ditto.
1075         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
1076         (xop_mulv2div2di3_high): Ditto.
1077
1078 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
1079
1080         Backport from mainline:
1081         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
1082
1083         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
1084
1085 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1086
1087         Backport from mainline:
1088         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1089
1090         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
1091         * config/pa/pa.c (pa_attr_length_millicode_call): Use
1092         MAX_PCREL17F_OFFSET instead of fixed offset.
1093         (pa_attr_length_call): Likewise.
1094         (pa_attr_length_indirect_call): Likewise.
1095
1096 2012-06-15  Walter Lee  <walt@tilera.com>
1097
1098         Backport from mainline:
1099         2012-06-15  Walter Lee  <walt@tilera.com>
1100
1101         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
1102
1103         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
1104
1105         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
1106
1107 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
1108
1109         Backport from mainline:
1110
1111         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1112         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
1113         * gimple.h (block_in_transaction): Check for flag_tm.
1114
1115 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
1116
1117         PR tree-optimization/52558
1118
1119         Backport from mainline:
1120         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
1121         * gimple.h (gimple_set_in_transaction): Remove.
1122         (gimple_in_transaction): Look in BB instead.
1123         (gimple_statement_base): Remove in_transaction field.
1124         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
1125         * trans-mem.c (compute_transaction_bits): Place transaction bit
1126         information into basic blocks.
1127
1128         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1129
1130         PR tree-optimization/52558
1131         * cfg.c (alloc_aux_for_edge): Fix comment.
1132         (alloc_aux_for_edge): Remove static.
1133         * basic-block.h (alloc_aux_for_edge): Protoize.
1134         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
1135         (execute_sm_if_changed_flag): New.
1136         (execute_sm_if_changed_flag_set): New.
1137         (execute_sm): Do not generate data races unless requested.
1138         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
1139         (tree_ssa_lim_finalize): Call free_aux_for_edges.
1140         * gimple.h (block_in_transaction): New.
1141         (gimple_in_transaction): Use block_in_transaction.
1142
1143 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
1144
1145         Backported from mainline
1146         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
1147
1148         PR rtl-optimization/53589
1149         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
1150         discovery even when e->dest != target.  If any LABEL_REF points
1151         to e->dest label, redirect it to target's label.
1152
1153         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
1154
1155         PR middle-end/53580
1156         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
1157         returns false, replace stmt with GIMPLE_NOP.
1158         (check_omp_nesting_restrictions): Instead of issuing warnings,
1159         issue errors and return false if any errors were reported.
1160
1161 2012-06-14  Richard Guenther  <rguenther@suse.de>
1162
1163         * BASE-VER: Set to 4.7.2.
1164         * DEV-PHASE: Set to prerelease.
1165
1166 2012-06-12  Christian Bruel  <christian.bruel@st.com>
1167
1168         PR target/53621
1169         * config/sh/sh.c (sh_option_override): Don't force
1170          flag_omit_frame_pointer and maccumulate_outgoing_args.
1171         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
1172
1173 2012-06-14  Release Manager
1174
1175         * GCC 4.7.1 released.
1176
1177 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
1178
1179         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
1180
1181 2012-06-13  Richard Henderson  <rth@redhat.com>
1182
1183         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
1184         iterator instead of INT.
1185
1186 2012-06-08  Richard Henderson  <rth@redhat.com>
1187
1188         PR c++/53602
1189         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
1190         note to a clobber insn when no other insn is available.
1191
1192 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
1193
1194         PR c++/53524
1195         * doc/invoke.texi (Wenum-compare): Update documentation.
1196
1197 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
1198
1199         PR target/53559
1200         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
1201         operands.
1202         (altivec_stvlxl): Ditto.
1203         (altivec_stvrx): Ditto.
1204         (altivec_stvrxl): Ditto.
1205
1206 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
1207
1208         PR middle-end/47530
1209         * trans-mem.c (expand_block_edges): Do not skip the first
1210         statement when resetting the BB.
1211
1212 2012-06-04  Richard Guenther  <rguenther@suse.de>
1213
1214         PR middle-end/53471
1215         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
1216         create new assembler names.
1217
1218 2012-06-04  Richard Guenther  <rguenther@suse.de>
1219
1220         Backport from mainline
1221         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1222
1223         PR middle-end/52979
1224         * stor-layout.c (get_best_mode): Don't return mode with bitsize
1225         larger than maxbits.  Don't compute maxbits modulo align.
1226         Also check that unit bytes long store at bitpos / unit * unit
1227         doesn't affect bits beyond bitregion_end.
1228         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
1229         would not fit into bitregion_start ... bitregion_end + 1 bit
1230         region.
1231         (store_split_bit_field): Decrease unit close to end of bitregion_end
1232         if access is restricted in order to avoid mutual recursion.
1233
1234 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
1235
1236         Backport from 2012-06-04 mainline r188172
1237
1238         PR target/46261
1239         * config/avr/avr-stdint.h: New file.
1240         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
1241         newlib-stdint.h
1242
1243 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
1244
1245         PR tree-optimization/53550
1246         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
1247         is POINTER_TYPE_P, use sizetype as step type instead of type.
1248
1249 2012-06-04  Richard Guenther  <rguenther@suse.de>
1250             Eric Botcazou  <ebotcazou@adacore.com>
1251
1252         Backport from mainline
1253         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
1254
1255         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
1256         Change type of BITOFFSET to signed.  Make sure the lower bound of
1257         the computed range is non-negative by adjusting OFFSET and BITPOS.
1258         (expand_assignment): Adjust call to get_bit_range.
1259
1260         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1261
1262         * expr.c (get_bit_range): Return the null range if the enclosing record
1263         is part of a larger bit field.
1264
1265         2012-03-20  Richard Guenther  <rguenther@suse.de>
1266
1267         * stor-layout.c (finish_bitfield_representative): Fallback
1268         to conservative maximum size if the padding up to the next
1269         field cannot be computed as a constant.
1270         (finish_bitfield_layout): If we cannot compute the distance
1271         between the start of the bitfield representative and the
1272         bitfield member start a new representative.
1273         * expr.c (get_bit_range): The distance between the start of
1274         the bitfield representative and the bitfield member is zero
1275         if the field offsets are not constants.
1276
1277         2012-03-16  Richard Guenther  <rguenther@suse.de>
1278
1279         * stor-layout.c (finish_bitfield_representative): Fall back
1280         to the conservative maximum size if we cannot compute the
1281         size of the tail padding.
1282
1283         2012-03-14  Richard Guenther  <rguenther@suse.de>
1284
1285         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1286         * stor-layout.c (start_bitfield_representative): New function.
1287         (finish_bitfield_representative): Likewise.
1288         (finish_bitfield_layout): Likewise.
1289         (finish_record_layout): Call finish_bitfield_layout.
1290         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1291         for QUAL_UNION_TYPE fields.
1292         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1293         Stream DECL_BIT_FIELD_REPRESENTATIVE.
1294         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1295
1296         PR middle-end/52080
1297         PR middle-end/52097
1298         PR middle-end/48124
1299         * expr.c (get_bit_range): Unconditionally extract bitrange
1300         from DECL_BIT_FIELD_REPRESENTATIVE.
1301         (expand_assignment): Adjust call to get_bit_range.
1302
1303 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
1304
1305         PR middle-end/53501
1306         * fold-const.c (fold_binary_loc): Refine previous change.
1307
1308 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1309
1310         Backport from mainline
1311         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
1312
1313         PR target/52667
1314         * config/sh/sh.c (find_barrier): Add equality check of last_got to
1315         avoid going above orig insn.  Update comments.
1316
1317 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1318
1319         Backport from mainline
1320         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1321
1322         PR target/52642
1323         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1324         prologue for unwinder and profiler.
1325
1326 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1327
1328         Backport from mainline
1329         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1330
1331         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1332
1333 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1334
1335         Backport from mainline
1336         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1337
1338         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1339         DBX_REGISTER_NUMBER.
1340
1341 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1342
1343         Backport from mainline
1344         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1345
1346         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1347         operand is CONST_INT.  Take COSTS_N_INSNS into account.
1348         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1349         shiftcosts.     
1350
1351 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
1352
1353         * config/avr/avr.opt (-msp8): Document it.
1354         * doc/invoke.texi (AVR Options): Copy from trunk docu.
1355
1356 2012-05-31  Richard Guenther  <rguenther@suse.de>
1357
1358         PR middle-end/48493
1359         * expr.c (expand_assignment): Do not use movmisalign on
1360         non-memory.
1361
1362 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1363
1364         PR target/52999
1365         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1366         (pa_section_type_flags): New.
1367         (pa_legitimate_constant_p): Revert previous change.
1368
1369 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
1370
1371         Backport from mainline
1372         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
1373
1374         PR middle-end/53008
1375         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1376         accessed indirectly.
1377         (ipa_tm_create_version): Same.
1378
1379 2012-05-30  Jason Merrill  <jason@redhat.com>
1380
1381         PR c++/53220
1382         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1383         about array compound literals.
1384
1385 2012-05-30  Richard Guenther  <rguenther@suse.de>
1386
1387         PR middle-end/53501
1388         * fold-const.c (fold_binary_loc): Make sure to call
1389         fold_plusminus_mult_expr with the original sign of operands.
1390
1391 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1392
1393         * explow.c (probe_stack_range): Restore simple control flow and stop
1394         again when the probe cannot be generated if HAVE_check_stack.
1395
1396 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
1397
1398         PR rtl-optimization/53519
1399         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1400         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1401
1402 2012-05-29  Richard Guenther  <rguenther@suse.de>
1403
1404         PR tree-optimization/53516
1405         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1406         bitfield accesses.
1407         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1408
1409 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1410
1411         Backport from mainline
1412         2012-05-28  Richard Guenther  <rguenther@suse.de>
1413
1414         PR tree-optimization/53438
1415         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1416
1417 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1418
1419         Backport from mainline
1420         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
1421
1422         PR rtl-optimization/52528
1423         * combine.c (can_combine_p): Add setting of subst_low_luid
1424         before call to expand_field_assignment().
1425
1426 2012-05-26  Martin Jambor  <mjambor@suse.cz>
1427
1428         Backport from mainline
1429         2012-05-23  Martin Jambor  <mjambor@suse.cz>
1430
1431         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1432
1433 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1434
1435         PR lto/52178
1436         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1437         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1438
1439 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1440
1441         PR target/53435
1442         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1443         (ix86_expand_vec_perm): Use int mode instead of float.
1444
1445 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1446
1447         PR ada/52362
1448         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1449         gnu_ld variables to yes.
1450         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1451         (HAVE_GNU_AS): Likewise.
1452         * config.in: Regenerate.
1453         * configure: Likewise.
1454
1455 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1456
1457         Backport from mainline
1458         2012-03-12  Richard Guenther  <rguenther@suse.de>
1459         * config/arm/arm.c (neon_dereference_pointer): Do not call
1460         covert during RTL expansion.
1461
1462 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1463
1464         Backport from mainline
1465         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1466
1467         PR target/53385
1468         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1469         relied on signed overflow behavior.
1470
1471 2012-05-24  Richard Guenther  <rguenther@suse.de>
1472
1473         PR middle-end/53460
1474         * tree-profile.c (tree_profiling): Cleanup the CFG if
1475         execute_fixup_cfg requests it.
1476
1477 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
1478
1479         PR tree-optimization/53465
1480         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1481         vr0 into *vr, then vrp_meet that.
1482         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1483         have any equivalences.
1484         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1485         first time.
1486
1487 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1488
1489         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1490         size handling.
1491         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1492         (iterative_hash_gimple_type): Adjust comment.
1493         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
1494         domain for an array type instead of the domain type itself.
1495
1496 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
1497
1498         Backport from 2012-05-23 mainline r187803
1499
1500         PR target/53448
1501         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1502         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1503         ASM_OUTPUT_ALIGN.
1504
1505 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
1506
1507         Backport from 2012-05-03 mainline r187075
1508
1509         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1510         has_fma4 for AMD processors with both fma3 and fma4 support.
1511
1512 2012-05-22  Richard Guenther  <rguenther@suse.de>
1513
1514         PR tree-optimization/53408
1515         * tree-vect-loop.c (vectorizable_induction): Properly check
1516         the restriction that we cannot handle induction results from
1517         the inner loop outside of the outer loop.
1518
1519 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
1520
1521         PR tree-optimization/53436
1522         * omp-low.c (omp_build_component_ref): New function.
1523         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1524
1525         PR tree-optimization/53366
1526         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1527         tests if complex_numbers == 2, but there are non-complex number loads
1528         too.
1529
1530         PR tree-optimization/53409
1531         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1532         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1533
1534         PR tree-optimization/53410
1535         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1536         instead of build_int_cst (type, 0) where vector types might be
1537         involved.
1538
1539 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
1540
1541         PR c/53418
1542         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1543         from folded operands before wrapping another around the
1544         conditional expression.
1545
1546 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
1547             Patrick Marlier  <patrick.marlier@gmail.com>
1548
1549         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1550         indirect calls.
1551
1552 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1553
1554         Backport from mainline
1555         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1556
1557         PR target/53416
1558         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1559         (UNSPECV_RDRAND): This.
1560         (rdrand<mode>_1): Updated.
1561
1562 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1563
1564         Backport from mainline
1565         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1566
1567         * config/i386/driver-i386.c (host_detect_local_cpu): Support
1568         RDRND, F16C and FSGSBASE.
1569
1570 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1571
1572         Backport from mainline
1573         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
1574
1575         * tree-ssa-pre.c (can_value_number_call): Delete.
1576         (compute_avail): Skip all statements with side effects.
1577         <GIMPLE_CALL>: Skip calls to internal functions.
1578
1579 2012-05-18  David S. Miller  <davem@davemloft.net>
1580
1581         Backport r185385 from mainline
1582         2012-03-14  Richard Guenther  <rguenther@suse.de>
1583
1584         PR middle-end/52584
1585         * tree-vect-generic.c (type_for_widest_vector_mode): Take
1586         element type instead of mode, use build_vector_type_for_mode
1587         instead of the langhook, build a vector of proper signedness.
1588         (expand_vector_operations_1): Adjust.
1589
1590 2012-05-18  Olivier Hainque  <hainque@adacore.com>
1591
1592         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1593         $(libsubdir) as libexecsubdir.
1594
1595 2012-05-16  Andrew Pinski  <apinski@cavium.com>
1596
1597         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1598         GIMPLE_ASSIGN.
1599
1600 2012-05-16  David S. Miller  <davem@davemloft.net>
1601
1602         * jump.c (delete_related_insns): If we remove a CALL, make sure
1603         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1604
1605 2012-05-16  Richard Henderson  <rth@redhat.com>
1606
1607         PR debug/52727
1608         * combine-stack-adj.c (prev_active_insn_bb): New.
1609         (next_active_insn_bb): New.
1610         (force_move_args_size_note): New.
1611         (combine_stack_adjustments_for_block): Use it.
1612
1613 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1614
1615         * Makefile.in (install-no-fixedincludes): New target, former toplevel
1616         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1617         Add comments and improve stamp preservation across the whole sequence.
1618         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1619
1620 2012-05-16  Richard Guenther  <rguenther@suse.de>
1621
1622         PR tree-optimization/53364
1623         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1624         detect a view-conversion of the decl.
1625
1626 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
1627
1628         PR target/53358
1629         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1630         that operands[2] is either immediate, or q_regs_operand.
1631
1632 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
1633
1634         Backport r187139 from mainline.
1635         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
1636
1637         PR rtl-optimization/52804
1638         * reload1.c (reload_reg_reaches_end_p): Check whether successor
1639         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1640         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1641         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1642         RELOAD_FOR_OUTADDR_ADDRESS.
1643
1644 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
1645
1646         PR target/46098
1647         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1648         generate target register for "load" class builtins.
1649
1650         Revert:
1651         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
1652
1653         PR target/46098
1654         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1655         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1656         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1657         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1658         (<sse>_movu<ssemodesuffix>): New expander.
1659         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1660         (avx_movdqu<avxmodesuffix>): New expander.
1661         (*sse2_movdqu): Rename from sse2_movdqu.
1662         (sse2_movdqu): New expander.
1663
1664 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
1665
1666         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1667         lineno 1 the same as lineno 0 before first start file directive.
1668         (optimize_macinfo_range): Likewise.
1669
1670         * dwarf2out.c (have_macinfo): Define.
1671         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1672         attribute, don't force empty compilation unit and don't emit any
1673         .debug_macinfo/.debug_macro section if macinfo_table is empty.
1674
1675 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1676
1677         Backport from mainline
1678         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
1679
1680         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1681         ORDERED and UNORDERED conditions.
1682
1683 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
1684
1685         * function.c (requires_stack_frame_p): If the function can throw
1686         non-call exceptions, return true if the insn can throw internally.
1687
1688 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1689
1690         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1691         DECL_ORIGINAL_TYPE if it is present.
1692
1693 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1694
1695         Backport from 2012-05-12 mainline r187342.
1696
1697         PR target/53256
1698         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1699         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1700         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1701         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1702         (expand_prologue): Move initialization of cfun->machine->is_naked,
1703         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1704         (avr_set_current_function): ...this new static function.
1705         (TARGET_SET_CURRENT_FUNCTION): New define.
1706         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1707         checking attributes of current_function_decl.
1708         (avr_regs_to_save): Ditto.
1709         (signal_function_p): Rename to avr_signal_function_p.
1710         (interrupt_function_p): Rename to avr_interrupt_function_p.
1711
1712         * doc/extend.texi (Function Attributes): Better explanation of
1713         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1714         alphabetical order.
1715
1716 2012-05-09  Matthias Klose  <doko@ubuntu.com>
1717
1718         * gcc-ar.c (main): Don't check for execute bits for the plugin.
1719
1720 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
1721
1722         PR target/53272
1723         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1724         when a constant source operand matches an "I" constraint, the "no
1725         CC0 change" applies to a register-destination only, not a
1726         strict_low_part-destination.
1727
1728 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1729
1730         Backport from mainline:
1731         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1732
1733         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1734
1735 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1736
1737         PR tree-optimization/53239
1738         * tree-vrp.c (get_value_range): Set VR of
1739         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1740         to nonnull.
1741
1742 2012-05-07  Richard Guenther  <rguenther@suse.de>
1743
1744         PR tree-optimization/53195
1745         * tree-inline.c (setup_one_parameter): Properly add referenced
1746         vars from the parameters new known value.
1747
1748 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1749
1750         Backport from mainline:
1751         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1752
1753         PR target/52999
1754         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1755         in constant pool.
1756
1757 2012-05-04  Ian Lance Taylor  <iant@google.com>
1758
1759         * tree-vect-patterns.c (vect_single_imm_use): Correct return
1760         values from false to NULL.
1761
1762 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1763
1764         Backport from mainline
1765         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1766
1767         PR target/53228
1768         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1769         (TARGET_CMOV): Rename from TARGET_CMOVE.
1770         (TARGET_CMOVE): New define.
1771         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1772         Do not set TARGET_CMOVE here.
1773
1774 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1775
1776         Backport from mainline:
1777
1778         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1779
1780         PR tree-optimization/52633
1781         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1782         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1783         (vect_recog_over_widening_pattern): Remove handling of code that was
1784         already detected as over-widening pattern.  Remove special handling
1785         of "unsigned" cases.  Instead, support general case of conversion
1786         of the shift result to another type.
1787
1788         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1789
1790         * tree-vect-patterns.c (vect_single_imm_use): New function.
1791         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1792         (vect_recog_over_widening_pattern): Likewise.
1793         (vect_recog_widen_shift_pattern): Likewise.
1794
1795         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1796
1797         PR tree-optimization/52870
1798         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1799         presumed pattern statement is within the same loop or basic block.
1800
1801 2012-05-04  Richard Guenther  <rguenther@suse.de>
1802
1803         * common.opt (flto-report): Do not mark as Optimization.
1804
1805 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1806
1807         PR target/48496
1808         * recog.c (constrain_operands): If extra constraints are present, also
1809         accept pseudo-registers with equivalent memory locations during reload.
1810
1811 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1812
1813         Backport from the mainline
1814         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1815
1816         PR target/53199
1817         * config/rs6000/rs6000.md (bswapdi splitters): If
1818         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1819         default) is used, generate an alternate sequence that does not
1820         depend on using indexed addressing.
1821
1822 2012-05-03  David S. Miller  <davem@davemloft.net>
1823
1824         PR target/52684
1825         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1826         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1827         (sparc_emit_float_lib_cmp): Likewise.
1828
1829 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1830
1831         Backport from mainline
1832         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1833
1834         PR lto/52605
1835         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1836         of a variable when the contect is a function.
1837
1838 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1839
1840         PR plugins/53126
1841         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1842         append program name to it and pass that as first argument
1843         to make_relative_prefix.  Always pass standard_libexec_prefix
1844         as last argument to make_relative_prefix.  If
1845         make_relative_prefix returns NULL, fall back to
1846         standard_libexec_prefix.
1847
1848         PR debug/53174
1849         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1850         removed.
1851
1852         PR target/53187
1853         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1854         mode, return that mode.
1855
1856 2012-05-03  Richard Guenther  <rguenther@suse.de>
1857
1858         PR tree-optimization/53144
1859         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1860         Rename to ...
1861         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1862         with SSA name values.
1863         (vn_reference_lookup_3): Adjust callers.
1864
1865 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1866
1867         PR tree-optimization/53163
1868         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1869         return value from compute_all_dependences.
1870
1871         PR rtl-optimization/53160
1872         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1873         has been modified by ree pass already.
1874
1875 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1876
1877         Backport from mainline
1878         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1879
1880         PR middle-end/53136
1881         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1882         calls to cgraph_node_name in xstrdup.
1883         (ipa_make_edge_direct_to_target): Ditto.
1884         * tree-sra.c (convert_callers_for_node): Ditto.
1885         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1886         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1887         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1888         (cgraph_materialize_all_clones): Ditto.
1889         * ipa-inline.c (report_inline_failed_reason): Ditto.
1890         (want_early_inline_function_p): Ditto.
1891         (edge_badness): Ditto.
1892         (update_edge_key): Ditto.
1893         (flatten_function): Ditto.
1894         (ipa_inline): Ditto.
1895         (inline_always_inline_functions): Ditto.
1896         (early_inline_small_functions): Ditto.
1897
1898 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1899
1900         Backport from mainline
1901         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1902
1903         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1904         Introduce emul_name to select the right linker emulation for
1905         powerpc64-*-freebsd*.
1906         * configure: Regenerate.
1907         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1908         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1909         * config/rs6000/freebsd64.h: New file.
1910         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1911         POWERPC_FREEBSD.
1912         (rs6000_savres_strategy): Likewise.
1913         (rs6000_savres_routine_name): Likewise.
1914         (rs6000_elf_file_end): Likewise.
1915         * config/rs6000/t-freebsd64: New file.
1916         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1917         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1918
1919 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1920
1921         Backport from mainline
1922         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1923
1924         PR target/53138
1925         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1926
1927 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1928
1929         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1930         predicate to discriminate types.
1931
1932 2012-04-27  Richard Guenther  <rguenther@suse.de>
1933
1934         PR c/51527
1935         * convert.c (convert_to_integer): Avoid infinite recursion for
1936         target-defined built-in types.
1937
1938 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1939
1940         PR target/53120
1941         * config/cris/cris.md ("*andhi_lowpart_v32")
1942         ("*andqi_lowpart_v32"): Change first input-only operand from
1943         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1944         const_int-matching constraints for redundancy.
1945         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1946         three-operand alternative.
1947
1948 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1949
1950         Backport from mainline
1951         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1952
1953         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1954         (*addsi_2_zext): Ditto.
1955         (*add<mode>_3): Ditto.
1956         (*addsi_3_zext): Ditto.
1957         (*add<mode>_5): Ditto.
1958
1959 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1960
1961         PR c/52880
1962         * c-typeck.c (set_nonincremental_init,
1963         set_nonincremental_init_from_string): Pass true instead of false
1964         as IMPLICIT to add_pending_init.
1965
1966 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1967
1968         Backport from 2012-04-24 mainline r186768.
1969
1970         PR target/53065
1971         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1972
1973 2012-04-24  Richard Guenther  <rguenther@suse.de>
1974
1975         PR tree-optimization/53085
1976         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1977         stores.
1978
1979 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1980
1981         PR middle-end/53084
1982         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1983         of MEM_REF.
1984         (output_addressed_constants): Likewise.
1985
1986         PR middle-end/52999
1987         * varasm.c (get_section): Don't ICE for section conflicts with
1988         built-in section kinds.
1989
1990 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1991
1992         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1993
1994 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1995
1996         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1997
1998 2012-04-23  Richard Guenther  <rguenther@suse.de>
1999
2000         PR c/53060
2001         * c-typeck.c (build_binary_op): Fix typo.
2002
2003 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
2004
2005         PR tree-optimizations/52891
2006         * tree-vect-patterns.c (adjust_bool_pattern): Use
2007         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
2008         but with non-standard precision.
2009
2010 2012-04-22  Ian Lance Taylor  <iant@google.com>
2011
2012         * godump.c (go_output_typedef): Dump size of structs.
2013
2014 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
2015
2016         Backport from mainline:
2017
2018         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
2019         hints for 'A' operand types.
2020
2021 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
2022
2023         Backport from 2012-04-19 mainline r186588.
2024
2025         PR target/53033
2026         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
2027         the case *(X+const).
2028
2029 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
2030
2031         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
2032
2033 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
2034
2035         PR target/53020
2036         * config/i386/sync.md (atomic_<code><mode>): Rename to
2037         atomic_<logic><mode>.
2038
2039 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
2040
2041         Backport from mainline
2042         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
2043
2044         PR target/52932
2045         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
2046         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
2047         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
2048         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
2049         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
2050         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
2051         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
2052         gen_avx2_permvarv8sf.
2053
2054 2012-04-16  Martin Jambor  <mjambor@suse.cz>
2055
2056         Backported from mainline
2057
2058         2012-04-13  Martin Jambor  <mjambor@suse.cz>
2059         PR middle-end/52939
2060
2061         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
2062         fold_ctor_reference returns a zero constant.
2063
2064 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2065
2066         Backported from mainline
2067         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2068
2069         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
2070         and __ILP32__ for x32.
2071
2072 2012-04-13  Tom de Vries  <tom@codesourcery.com>
2073
2074         Backport from mainline r186418.
2075
2076         2012-04-13  Tom de Vries  <tom@codesourcery.com>
2077
2078         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
2079         parameters vuse and vuse_escaped.
2080         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
2081         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
2082         vuse1 != vuse2.
2083
2084 2012-04-13  Richard Guenther  <rguenther@suse.de>
2085
2086         PR tree-optimization/52969
2087         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
2088         the condition for the COND_EXPR and handle predicate negation
2089         by swapping the COND_EXPR arms.
2090
2091 2012-04-13  Richard Guenther  <rguenther@suse.de>
2092
2093         PR c/52862
2094         * convert.c (convert_to_pointer): Remove special-casing of
2095         zero.
2096
2097 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2098
2099         Backport from mainline
2100         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2101
2102         PR target/52775
2103         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
2104         the list of options to enable the FCFID instruction.
2105         (TARGET_EXTRA_BUILTINS): Adjust comment.
2106
2107 2012-04-12  Richard Guenther  <rguenther@suse.de>
2108
2109         PR tree-optimization/52943
2110         * tree-chrec.h (chrec_is_positive): Remove.
2111         * tree-scalar-evolution.c (chrec_is_positive): Move ...
2112         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
2113         Return false for a constant zero instead of negative.
2114         (analyze_siv_subscript_cst_affine): Handle zero difference
2115         in the initial condition explicitely.
2116
2117 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2118
2119         PR middle-end/52894
2120         * varasm.c (process_pending_assemble_externals): Set
2121         pending_assemble_externals_processed true.
2122         (assemble_external): Call assemble_external_real if the pending
2123         assemble externals have been processed.
2124
2125 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2126
2127         PR target/52717
2128         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
2129         the DECL generated for the special GOT helper.
2130
2131 2012-04-06  Walter Lee  <walt@tilera.com>
2132
2133         Backport from mainline
2134         2012-03-07  Walter Lee  <walt@tilera.com>
2135
2136         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2137         REG_CFA_* notes for the stack pointer.
2138         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2139         EH_RETURN_STACKADJ_RTX.
2140         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2141         generate REG_CFA_* notes for the stack pointer.
2142         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2143         by EH_RETURN_STACKADJ_RTX.
2144
2145 2012-04-06  Matt Turner  <mattst88@gmail.com>
2146
2147         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
2148
2149 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
2150
2151         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
2152         of the destination isn't also a FP_REGS register.
2153
2154 2012-04-03  Richard Guenther  <rguenther@suse.de>
2155
2156         Backport from mainline
2157         2012-03-02  Richard Guenther  <rguenther@suse.de>
2158
2159         PR tree-optimization/52406
2160         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2161         (struct indices): Add unconstrained_base member.
2162         (struct dr_alias): Remove unused vops member.
2163         (DR_UNCONSTRAINED_BASE): New define.
2164         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2165         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
2166         be an artificial access that covers the whole indexed object,
2167         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
2168         plain decl base-objects to their MEM_REF variant.
2169         (dr_may_alias_p): When the base-object of either data reference
2170         has unknown size use only points-to information.
2171         (compute_affine_dependence): Make dumps easier to read and
2172         more verbose.
2173         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2174         DR_REF when looking for packed references.
2175         (vect_supportable_dr_alignment): Likewise.
2176
2177 2012-04-03  Richard Guenther  <rguenther@suse.de>
2178
2179         Backport from mainline
2180         2012-03-15  Richard Guenther  <rguenther@suse.de>
2181
2182         PR middle-end/52580
2183         * tree-data-ref.c (subscript_dependence_tester_1): Check
2184         all dimensions for non-conflicting access functions.
2185
2186 2012-04-03  Richard Guenther  <rguenther@suse.de>
2187
2188         Backport from mainline
2189         2012-03-06  Richard Guenther  <rguenther@suse.de>
2190
2191         PR middle-end/52493
2192         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2193
2194         2012-03-23  Richard Guenther  <rguenther@suse.de>
2195
2196         PR tree-optimization/52678
2197         * tree-vectorizer.h (struct _stmt_vec_info): Add
2198         loop_phi_evolution_part member.
2199         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2200         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2201         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2202         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2203         Use the cached evolution part and the PHI nodes value from
2204         the loop preheader edge instead of re-analyzing the evolution.
2205
2206         2012-03-26  Richard Guenther  <rguenther@suse.de>
2207
2208         PR tree-optimization/52701
2209         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2210         compute and set the evolution part of PHI nodes.
2211
2212         2012-03-30  Richard Guenther  <rguenther@suse.de>
2213
2214         PR tree-optimization/52754
2215         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2216         propagate arbitrary addresses into really plain dereferences.
2217
2218 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
2219
2220         PR tree-optimization/52835
2221         * tree-data-ref.c (build_rdg): Return NULL if
2222         compute_data_dependences_for_loop failed.
2223
2224 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
2225
2226         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2227         (stmt_can_make_abnormal_goto): Use it.
2228         (is_ctrl_altering_stmt): Likewise.
2229
2230 2012-03-31  Martin Jambor  <mjambor@suse.cz>
2231
2232         Backported from mainline
2233         2012-03-30  Martin Jambor  <mjambor@suse.cz>
2234
2235         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2236         is a builtin_stack_save in a dominating BB.
2237
2238 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2239
2240         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2241         crossing 128bit lane boundary.
2242
2243 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2244
2245         Backported from mainline
2246         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
2247
2248         PR target/52698
2249         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2250         New prototype.
2251         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2252         * config/i386/i386.c: Include reload.h.
2253         (ix86_legitimize_reload_address): New function.
2254
2255 2012-03-28  Martin Jambor  <mjambor@suse.cz>
2256
2257         Backported from mainline
2258         2012-03-27  Martin Jambor  <mjambor@suse.cz>
2259
2260         PR middle-end/52693
2261         * tree-sra.c (sra_modify_assign): Do not call
2262         load_assign_lhs_subreplacements when working with an unscalarizable
2263         region.
2264
2265 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2266
2267         PR middle-end/52691
2268         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2269         __builtin_va_start to __builtin_next_arg if the latter is
2270         builtin_decl_explicit_p rather than when it is not.
2271
2272         PR middle-end/52750
2273         * tree-vect-generic.c (vector_element): Perform multiplication
2274         for pos in bitsizetype type instead of idx type.
2275
2276 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2277
2278         Backport from 2012-03-28 mainline r185910.
2279
2280         PR target/52692
2281         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2282         (avr_builtin_decl): New static function.
2283         (struct avr_builtin_description, avr_bdesc): Move up.
2284         Add GTY marker. Add field fndecl. Remove redundant field id.
2285         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2286         (avr_expand_builtin): Code cleanup because .id is removed.
2287
2288 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
2289
2290         PR middle-end/51893
2291         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2292         targets.
2293
2294 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2295
2296         Backport from 2012-03-28 mainline r185907.
2297
2298         PR target/52737
2299         * config.gcc (tm_file): Remove avr/multilib.h.
2300
2301         * doc/invoke.texi (AVR Options): Adjust
2302         documentation of -mtiny-stack.
2303
2304         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2305         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2306         * config/avr/t-avr: Remove generation of multilib.h.
2307         * config/avr/t-multilib: Regenerate.
2308         * config/avr/multilib.h: Remove.
2309         * config/avr/avr.opt (-msp8): New option.
2310         (avr_sp8): New variable.
2311         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2312         * config/avr/avr.h (AVR_HAVE_SPH): New define.
2313         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2314         (avr_device_to_sp8): New prototype.
2315         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2316         (DRIVER_SELF_SPECS): New define.
2317         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2318         __AVR_SP8__, __AVR_HAVE_SPH__.
2319         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2320         AVR_HAVE_8BIT_SP to decide if SP_H is present.
2321         (avr_file_start): Ditto.
2322
2323 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2324
2325         PR target/52736
2326         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2327         instead of 8 in adjust_address.
2328
2329 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
2330
2331         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2332         of a unit before computing the offset in units.
2333
2334 2012-03-27  Richard Guenther  <rguenther@suse.de>
2335
2336         PR middle-end/52720
2337         * fold-const.c (try_move_mult_to_index): Handle &x.array more
2338         explicitely.
2339
2340 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
2341
2342         PR target/52610
2343         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2344
2345 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
2346
2347         PR middle-end/52640
2348         * varasm.c: Include pointer-set.h.
2349         (pending_assemble_externals_set): New pointer set.
2350         (process_pending_assemble_externals): Destroy the pointer set.
2351         (assemble_external): See if decl is in pending_assemble_externals_set,
2352         and add it to pending_assemble_externals if necessary.
2353         (init_varasm_once): Allocate pending_assemble_externals_set.
2354
2355 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2356
2357         Backported from mainline
2358         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
2359
2360         PR target/50310
2361         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2362         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2363         (vector_ltgt<mode>): Likewise.
2364         (vector_ordered<mode>): Likewise.
2365         (vector_unordered<mode>): Likewise.
2366         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2367
2368 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
2369
2370         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2371         Make static.
2372
2373 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2374
2375         Backported from mainline
2376         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
2377
2378         PR target/48596
2379         PR target/48806
2380         * config/sh/sh.c (sh_register_move_cost): Increase cost between
2381         GENERAL_REGS and FP_REGS for SImode.
2382
2383 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2384
2385         PR middle-end/52547
2386         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2387         on any new_local_var_chain vars declared during recursing on
2388         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2389
2390 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2391
2392         Backport from 2012-03-22 mainline r185692.
2393
2394         PR target/52496
2395         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2396         (unspecv): Add UNSPECV_MEMORY_BARRIER.
2397         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2398         (delay_cycles_1, delay_cycles_2): Ditto.
2399         (delay_cycles_3, delay_cycles_4): Ditto.
2400         (nopv, *nopv): Ditto.
2401         (sleep, *sleep): Ditto.
2402         (wdr, *wdr): Ditto.
2403
2404         Backport from 2012-03-21 mainline r185605.
2405
2406         PR rtl-optimization/52543
2407         PR target/52461
2408         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2409         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2410         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2411         (avr_load_libgcc_p): Restrict to __flash loads.
2412         (avr_out_lpm): Only handle 1-byte loads from __flash.
2413         (avr_load_lpm): New function.
2414         (avr_find_unused_d_reg): Remove.
2415         (avr_out_lpm_no_lpmx): Remove.
2416         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2417         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2418         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2419         (load_<mode>, load_<mode>_clobber): New insns.
2420         (mov<mode>): For multi-byte move from non-generic
2421         16-bit address spaces: Expand to load_<mode> resp.
2422         load_<mode>_clobber.
2423         (load<mode>_libgcc): Remove expander.
2424         (split-lpmx): Remove split.
2425
2426         Backport from 2012-03-13 mainline r185329.
2427
2428         PR target/52488
2429         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2430         offset (size) to a value the insns can deal with.
2431         (expand_epilogue): Ditto.
2432
2433         Backport from 2012-03-12 mainline r185256.
2434
2435         PR target/52499
2436         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2437         type from reg_class_t to enum reg_class.
2438         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2439
2440         Backport from 2012-03-12 mainline r185253.
2441
2442         PR target/52148
2443         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2444         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2445         r184615 from 2012-02-28.
2446
2447         Backport from 2012-03-08 mainline r185105.
2448
2449         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2450         for constants in [-63,63].
2451
2452         Backport from 2012-03-08 mainline r185100.
2453
2454         PR target/52496
2455         * config/avr/avr.c (avr_mem_clobber): New static function.
2456         (avr_expand_delay_cycles): Add memory clobber operand to
2457         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2458         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2459         (enable_interrupt, disable_interrupt): New expander.
2460         (nopv, sleep, wdr): New expanders.
2461         (delay_cycles_1): Add memory clobber.
2462         (delay_cycles_2): Add memory clobber.
2463         (delay_cycles_3): Add memory clobber.
2464         (delay_cycles_4): Add memory clobber.
2465         (cli_sei): New insn from former "enable_interrupt",
2466         "disable_interrupt" with memory clobber.
2467         (*wdt): New insn from former "wdt" with memory clobber.
2468         (*nopv): Similar, but for "nopv".
2469         (*sleep): Similar, but for "sleep".
2470
2471         Backport from 2012-03-07 mainline r185043.
2472
2473         PR target/52484
2474         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2475
2476         Backport from 2012-03-07 mainline r185032.
2477
2478         PR target/52506
2479         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2480         to: RAMPZ, RAMPY, RAMPX, RAMPD.
2481         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2482
2483         Backport from 2012-03-07 mainline r185031.
2484
2485         PR target/52505
2486         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2487         from RAM.
2488         * config/avr/avr.md (xload_8): Adjust insn length.
2489
2490         Backport from 2012-03-07 mainline r185030.
2491
2492         PR target/52461
2493         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2494         if RAMPZ affects reading from RAM.
2495
2496         Backport from 2012-03-05 mainline r184919.
2497
2498         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2499
2500 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2501
2502         Backport from mainline r185259.
2503
2504         PR other/52545
2505         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2506         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2507
2508 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2509
2510         Backported from mainline
2511         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
2512
2513         PR c/52577
2514         * c-parser.c (c_parser_postfix_expression)
2515         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2516
2517         * config/i386/smmintrin.h: Avoid /* within a comment.
2518         * config/i386/nmmintrin.h: Likewise.
2519
2520 2012-03-22  Richard Guenther  <rguenther@suse.de>
2521
2522         * BASE-VER: Set to 4.7.1.
2523         * DEV-PHASE: Set to prerelease.
2524
2525 2012-03-22  Release Manager
2526
2527         * GCC 4.7.0 released.
2528
2529 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2530
2531         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2532
2533 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
2534             Andrew Pinski  <apinski@cavium.com>
2535
2536         PR middle-end/52592
2537         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2538         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2539         calls instead of __builtin_ir{int,ound}*.
2540
2541 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
2542
2543         PR c++/52582
2544         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2545         if c_node is NULL.
2546
2547 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
2548
2549         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2550         Refer to GCC 4.7 version of c99status.html.
2551
2552 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2553
2554         Backport from mainline
2555         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2556
2557         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2558         redefine to be NULL if the current bit-size is different from the
2559         configured bit-size.
2560
2561         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2562         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2563         set the default tuning.  Add asserts to make sure the cpu and tune
2564         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
2565         test whether the index is set, instead of > 0.
2566         (rs6000_file_start): Do not reset the default cpu if the current
2567         bit-size is different from the configured bit-size.
2568
2569 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2570
2571         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2572         binutils reference.
2573         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2574         Update binutils references.
2575         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2576         Update binutils reference.
2577         Update Sun as/GNU ld caveat.
2578         Document binutils largefile requirement for LTO plugin.
2579         Remove reference to alternate libpthread.
2580
2581 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2582
2583         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2584         reference.
2585         (Specific, mips-sgi-irix6): Likewise.
2586
2587 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2588
2589         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2590         * configure: Regenerate.
2591
2592 2012-03-07  Richard Henderson  <rth@redhat.com>
2593
2594         * config/m68k/m68k.h (ISA_HAS_TAS): New.
2595         * config/m68k/sync.md (atomic_test_and_set): Use it.
2596         (atomic_test_and_set_1): Likewise.
2597
2598 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
2599
2600         PR target/51417
2601         * Makefile.in: Let install-gcc-ar depend on installdirs,
2602         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2603         Don't double canonicalize if cross-compiling.
2604
2605 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2606
2607         * trans-mem.c: New typedef for tm_region_p.
2608         Define vector types for tm_region_p.
2609         (tm_region_init): Replace region_worklist to a vector called
2610         bb_regions.
2611
2612 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2613
2614         PR middle-end/52463
2615         * trans-mem.c (tm_region_init): Use last_basic_block.
2616
2617 2012-03-05  Richard Henderson  <rth@redhat.com>
2618
2619         PR tree-opt/52242
2620         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
2621         * omp-low.c (expand_omp_atomic): Assume anything aligned to
2622         BIGGEST_ALIGNMENT is aligned.
2623
2624 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
2625
2626         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2627
2628 2012-03-05  Richard Henderson  <rth@redhat.com>
2629
2630         PR target/52481
2631         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2632         instead of calling negqi2 directly.
2633
2634 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2635
2636         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2637         (INTMAX_TYPE): Use it.
2638         (UINTMAX_TYPE): Likewise.
2639         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2640         (irix6_c_common_override_options): Declare.
2641         (C_COMMON_OVERRIDE_OPTIONS): Define.
2642         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2643         * config/mips/irix6-c.c: New file.
2644         * config/mips/t-irix6 (irix6-c.o): New target.
2645         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2646         cxx_target_objs.
2647
2648 2012-03-02  Richard Henderson  <rth@redhat.com>
2649
2650         * optabs.c (expand_atomic_test_and_set): Honor
2651         atomic_test_and_set_trueval even when atomic_test_and_set
2652         optab is not in use.
2653
2654 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2655
2656         Backport from mainline
2657         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2658
2659         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2660
2661 2012-03-02  Richard Guenther  <rguenther@suse.de>
2662
2663         * DEV-PHASE: Set to prerelease.
2664
2665 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
2666
2667         * config.gcc (obsolete): Add all ARM targets using the FPA.
2668         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2669         * doc/install.texi: Avoid references to obsolete ARM ports.
2670
2671 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
2672
2673         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2674
2675 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
2676             Joern Rennecke  <joern.rennecke@embecosm.com>
2677
2678         * doc/extend.texi: Expand and update information on interrupt
2679         attribute for Epiphany.
2680
2681 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2682
2683         * config/sh/sh-protos.h: Update copyright notice dates.
2684         * config/sh/sh.h: Likewise.
2685         * config/sh/sh.md: Likewise.
2686         * config/sh/constraints.md: Likewise.
2687         * config/sh/predicates.md: Likewise.
2688
2689 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2690
2691         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2692         * config/sh/sh.c (tertiary_reload_operand): Likewise.
2693
2694 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2695
2696         * config/sh/constraints.md: Fix comment typo.
2697
2698 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2699
2700         PR target/52408
2701         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2702         unsigned HOST_WIDE_INT.
2703         (zvdep_imm64): Likewise.
2704         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2705         (vdepi_and): Likewise.
2706         Likewise for unamed 64-bit patterns.
2707         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2708
2709 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
2710
2711         PR debug/52001
2712         PR rtl-optimization/52417
2713         * cselib.c (cselib_any_perm_equivs): New variable.
2714         (cselib_reset_table): Check that it's not set when not
2715         preserving constants.
2716         (cselib_add_permanent_equiv): Set it.
2717         (cselib_have_permanent_equivalences): New.
2718         (cselib_init, cselib_finish): Reset it.
2719         * cselib.h (cselib_have_permanent_equivalences): Declare.
2720         * alias.c (get_addr): Restore earlier behavior when there
2721         aren't permanent equivalences.
2722
2723 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
2724
2725         * config/mn10300/mn10300-modes.def: Fix copyright notice.
2726         * config/v850/v850-modes.def: Fix copyright notice.
2727
2728 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2729
2730         * doc/extend.texi (AVR Built-in Functions): Document
2731         __builtin_avr_flash_segment.
2732
2733         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2734         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2735         (*split.flash_segment): New insn-and-split.
2736         * config/avr/avr.c (avr_init_builtins): Add local variables:
2737         const_memx_void_node, const_memx_ptr_type_node,
2738         char_ftype_const_memx_ptr.
2739
2740 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
2741
2742         PR tree-optimization/52445
2743         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2744         add ssa_name_ver, offset and size fields and change store field
2745         to bool.
2746         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2747         (add_or_mark_expr): Likewise.  Only consider previous stores
2748         with the same size and offset.
2749         (nt_init_block): Only look at gimple_assign_single_p stmts,
2750         doesn't look at rhs2.
2751
2752 2012-03-01  Richard Guenther  <rguenther@suse.de>
2753
2754         PR middle-end/52443
2755         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2756         conversions from integral types to pointer types.
2757
2758 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2759
2760         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2761         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2762         unintentionally removed in r184616.
2763
2764 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2765
2766         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2767         3DNow from bdver1.
2768
2769 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2770             Uros Bizjak  <ubizjak@gmail.com>
2771
2772         PR target/52437
2773         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2774         alternatives, add "e" constraint to the new last alternative
2775         and ! to last 3 alternatives.
2776
2777 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2778
2779         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2780         DW_AT_artificial attributes at the end of the processing.
2781         (gen_array_type_die): Likewise.
2782         (gen_enumeration_type_die): Likewise.
2783         (gen_struct_or_union_type_die): Likewise.
2784         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2785         the parent type.
2786
2787 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2788
2789         PR middle-end/52419
2790         * expr.c (expand_assignment): If doing misaligned store that doesn't
2791         cover all mode bits, perform a RMW cycle.
2792
2793         PR tree-optimization/52429
2794         * tree-parloops.c (separate_decls_in_region_debug): Return early
2795         if var is LABEL_DECL.
2796
2797 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2798
2799         PR tree-optimization/52424
2800         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2801         calling dom_thread_across_edge.
2802
2803 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2804
2805         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2806
2807 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2808
2809         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2810         * config/avr/avr.c (avr_output_bld): Remove unused function.
2811         (avr_out_sbxx_branch): Use "%T" to print bit position.
2812
2813 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2814
2815         * config/avr/avr.md: Untabify.
2816
2817 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2818
2819         * config/avr/avr.md (eqne): New code iterator.
2820         (*dec-and-branchsi): Use it in text peephole's condition.
2821         (*dec-and-branchhi): Ditto.
2822         (*dec-and-branchqi): Ditto.
2823
2824 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2825
2826         PR target/49939
2827         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2828         the device does not have the skip-bug.
2829
2830 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2831
2832         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2833         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2834         -mpretend-cmove): New.
2835
2836 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2837
2838         PR bootstrap/52397
2839         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2840         doesn't count DEBUG_INSN refs.
2841         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2842         for DEBUG_INSN refs.
2843
2844 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2845
2846         Partially revert:
2847
2848         2012-02-20  Richard Guenther  <rguenther@suse.de>
2849         PR tree-optimization/52298
2850         * tree-vect-stmts.c (vectorizable_load): Properly use
2851         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2852         outer loops.
2853
2854 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2855
2856         PR middle-end/51752
2857         * gimple.h (gimple_in_transaction): New.
2858         (gimple_set_in_transaction): New.
2859         (struct gimple_statement_base): Add in_transaction field.
2860         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2861         transaction loads.
2862         (tree_ssa_lim_initialize): Compute transaction bits.
2863         * tree.h (compute_transaction_bits): Protoize.
2864         * trans-mem.c (tm_region_init): Use the heap to store BB
2865         auxilliary data.
2866         (compute_transaction_bits): New.
2867
2868 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2869
2870         * gcc.c (display_help): Document --help=common and sort entries
2871         alphabetically.
2872
2873 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2874
2875         * doc/install.texi: Document check-$LANG specific shortcuts
2876
2877 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2878
2879         PR target/51534
2880         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2881         and vcgtu.
2882         * config/arm/arm_neon.h: Regenerate.
2883         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2884         (neon_vcgeu): New insn.
2885         (neon_vcgtu): Likewise.
2886         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2887         (ops): Unsigned comparison intrinsics call a different
2888         builtin.
2889
2890 2012-02-28  Richard Guenther  <rguenther@suse.de>
2891
2892         PR target/52407
2893         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2894         ordering for the VEC_CONCAT for two element vectors for
2895         V2SFmode, V2SImode and V2DImode.
2896
2897 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2898
2899         PR target/49448
2900         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2901         detecting big-endian triplets.
2902
2903 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2904
2905         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2906         mode if there is no type information available.
2907
2908 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2909
2910         PR tree-optimization/53207
2911         * doc/invoke.texi: Document as experimental and relying on graphite.
2912
2913 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2914
2915         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2916         of initializer to changes from r184614.
2917
2918 2012-02-28  Richard Guenther  <rguenther@suse.de>
2919
2920         PR tree-optimization/52395
2921         * tree-sra.c (build_ref_for_offset): Also look at the base
2922         TYPE_ALIGN when figuring out the alignment of the replacement.
2923
2924 2012-02-28  Richard Guenther  <rguenther@suse.de>
2925
2926         PR tree-optimization/52402
2927         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2928         mis-aligned types when creating the accesses at the call site.
2929
2930 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2931
2932         * config/avr/builtins.def: New file.
2933         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2934         * config/avr/avr.c (enum avr_builtin_id): Use it.
2935         (avr_init_builtins): Use it. And use avr_bdesc.
2936         (bdesc_1arg): Remove.
2937         (bdesc_2arg): Remove.
2938         (bdesc_3arg): Remove.
2939         (struct avr_builtin_description): Add field n_args.
2940         (avr_bdesc): New static variable using builtins.def.
2941         (avr_expand_builtin): Use it.
2942         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2943         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2944         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2945
2946 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2947
2948         PR target/52148
2949         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2950         match only one single hard register with respective hard reg rtx.
2951         (movmemx_<mode>): Ditto.
2952         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2953         insn anatomy of movmem[x]_<mode>.
2954         (avr_out_movmem): Same for printing assembler and operand usage.
2955
2956 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2957
2958         PR target/49868
2959         PR target/52261
2960         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2961         address spaces located outside of device flash.
2962
2963         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2964         (mcu_type_s): Add field n_flash.
2965         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2966         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2967         (AVR_MCU): Add N_FLASH argument.
2968         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2969         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2970         macro __FLASH<n> if that address space makes sense for the device.
2971         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2972         outside of target flash.
2973         (avr_asm_named_section): Ditto.
2974         (avr_asm_select_section): Ditto.
2975         (avr_addr_space_convert): Ditto.
2976         (avr_emit_movmemhi): Ditto.
2977         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2978         address space is outside of device flash.
2979         (avr_insert_attributes): Ditto.
2980         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2981         avr_current_arch->n_segments.
2982
2983 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2984
2985         PR target/52352
2986         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2987         TARGET_LP64.
2988         (*movabs<mode>_2): Likewise.
2989
2990 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2991
2992         PR target/52375
2993         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2994         s_register_operand in the test instead of REG_P.  Don't call
2995         gen_reg_rtx if it won't be used.
2996
2997         PR tree-optimization/52376
2998         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2999
3000 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
3001
3002         * ifcvt.c (noce_get_condition): Check condition variable is not
3003         small_register_classes_for_mode_p before accepting.
3004
3005 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
3006
3007         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
3008
3009 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3010
3011         Revert:
3012         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3013         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3014         tuning parameters.
3015         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3016
3017 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
3018
3019         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
3020
3021 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
3022
3023         * config/sh/predicates.md: Remove blank lines.
3024         * config/sh/sh.c: Fix typos in comments.
3025         * config/sh/constraints.md: Likewise.
3026         * config/sh/sh.md: Remove blank lines.
3027         Fix typos in comments.  Use ;; as comment characters.
3028
3029 2012-02-26  Walter Lee  <walt@tilera.com>
3030
3031         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
3032         (replace_mov_pcrel_step2): Ditto.
3033
3034 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
3035
3036         PR debug/52001
3037         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
3038         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
3039         and locs that reference values newer than the non-canonical value
3040         at hand.  Return the canonical value as a worst case.
3041         (memrefs_conflict_p): Walk canonical value's locs.
3042
3043         PR debug/52001
3044         * cselib.c (preserve_only_constants): Rename to...
3045         (preserve_constants_and_equivs): ... this.  Split out...
3046         (invariant_or_equiv_p): ... this.  Preserve plus expressions
3047         of other preserved expressions too.
3048         (cselib_reset_table): Adjust.
3049         * var-tracking.c (reverse_op): Use canonical value to build
3050         reverse operation.
3051
3052 2012-02-23  Kai Tietz  <ktietz@redhat.com>
3053
3054         * config/i386/i386.c (ix86_delegitimize_address): Handle
3055         UNSPEC_PCREL plus displacement.
3056
3057 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
3058
3059         PR target/52261
3060         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
3061         to test for unusedness in st X addressing.
3062
3063 2012-02-24  Richard Guenther  <rguenther@suse.de>
3064
3065         PR middle-end/52361
3066         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
3067         (is_gimple_reg_type): Move inline ...
3068         * gimple.h (is_gimple_reg_type): ... here.
3069
3070 2012-02-24  Richard Guenther  <rguenther@suse.de>
3071
3072         PR middle-end/52361
3073         * passes.c (execute_function_todo): When verifying SSA form
3074         verify gimple form first.
3075         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
3076
3077 2012-02-24  Richard Guenther  <rguenther@suse.de>
3078
3079         PR middle-end/52355
3080         * fold-const.c (fold_addr_of_array_ref_difference): New function.
3081         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3082
3083 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3084
3085         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3086
3087 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3088
3089         * tree-phinodes.c (make_phi_node): Mark static.
3090         * tree-flow.h (make_phi_node): Remove extern decl.
3091         * doc/gimple.texi (make_phi_node): Remove documentation.
3092
3093 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3094
3095         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3096         * tree-ssa-sccvn.c (print_scc): Ditto.
3097
3098 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3099
3100         * doc/passes.texi (Full redundancy elimination): Fix typo.
3101
3102 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3103
3104         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3105
3106 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
3107
3108         PR bootstrap/52287
3109         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3110
3111 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
3112
3113         PR c/52290
3114         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3115
3116 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
3117
3118         * config/avr/avr.md (code_stdname): Add ior, xor.
3119         (xior): New code iterator.
3120         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3121         (*<code_stdname><mode>qi.byte1-3): Ditto.
3122
3123 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
3124
3125         PR tree-optimization/52019
3126         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3127         CLOBBER stmts.
3128
3129 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3130
3131         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3132         HAVE_INITFINI_ARRAY to work around namespace pollution in
3133         certain versions of newlib system headers.
3134         * config.in: Regenerate.
3135         * configure: Regenerate.
3136         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3137         instead of HAVE_INITFINI_ARRAY.
3138
3139 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
3140
3141         PR target/52330
3142         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3143         is not offsettable memory reference.
3144
3145 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3146
3147         PR target/18145
3148         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3149         setting avr_need_clear_bss_p for __gnu_lto* symbols.
3150
3151 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3152
3153         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3154         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3155
3156 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3157
3158         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3159         library on Solaris 8 even without TLS support.
3160         * configure: Regenerate.
3161
3162 2012-02-22  Richard Guenther  <rguenther@suse.de>
3163
3164         PR middle-end/52329
3165         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3166         for GIMPLE_DEBUG stmts.
3167
3168 2012-02-22  Martin Jambor  <mjambor@suse.cz>
3169
3170         PR middle-end/51782
3171         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3172         according to the base object.
3173
3174 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3175
3176         PR rtl-optimization/50063
3177         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3178         and 2 (8-bit SP) in operand 2.
3179         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3180         setup to use movhi_sp_r instead of vanilla move to write SP.
3181         Adjust REG_CFA notes to superseed unspec.
3182         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3183         of vanilla move.
3184         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3185         known to be off) only with TARGET_NO_INTERRUPTS. Never use
3186         irq_state 1 (IRQ known to be on) here.
3187
3188 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
3189
3190         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3191         WORDS_BIG_ENDIAN.
3192         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3193         assign_hard_reg): Likewise.
3194
3195 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3196
3197         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3198
3199 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3200
3201         * config/avr/avr.md
3202         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3203         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3204
3205 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3206
3207         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3208         prototype from here to...
3209         * config/avr/avr.h: ...here.
3210
3211 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
3212
3213         PR target/52294
3214         * thumb2.md (thumb2_shiftsi3_short): Split register and
3215         immediate shifts.  For register shifts tie operands 0 and 1.
3216         (peephole2 for above): Check that register-controlled shifts
3217         have suitably tied operands.
3218
3219 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
3220
3221         PR target/52137
3222         * config/i386/bdver1.md (bdver1_call, bdver1_push,
3223         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3224         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3225         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3226         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3227         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3228         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3229         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3230         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3231         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3232         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3233         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3234         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3235         bdver1_ssevector_avx256_unaligned_load,
3236         bdver1_ssevector_sse128_unaligned_load,
3237         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3238         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3239         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3240         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3241         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3242         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3243         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3244         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3245         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3246         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3247         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3248         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3249         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3250         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3251         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3252         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3253         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3254         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3255         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3256         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3257         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3258         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3259         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3260         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3261         bdver1_ssediv_double_load, bdver1_ssediv_double,
3262         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3263         Add "bdver2" attribute.
3264
3265 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3266
3267         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3268         default if possible and not specified otherwise.
3269
3270 2012-02-21  Richard Guenther  <rguenther@suse.de>
3271
3272         PR middle-end/52314
3273         * gimplify.c (create_tmp_from_val): Use the main variant type
3274         for the type of the temporary we create.
3275
3276 2012-02-21  Richard Guenther  <rguenther@suse.de>
3277
3278         PR tree-optimization/52324
3279         * gimplify.c (gimplify_expr): When re-gimplifying expressions
3280         do not gimplify a MEM_REF address operand if it is already
3281         in suitable form.
3282
3283 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3284
3285         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3286         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3287
3288 2012-02-21  Richard Guenther  <rguenther@suse.de>
3289
3290         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3291         nested_in_vect_loop.
3292
3293 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
3294
3295         PR tree-optimization/52318
3296         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3297         vdef also to non-pure/const call stmts in the sequence.
3298
3299 2012-02-20  David S. Miller  <davem@davemloft.net>
3300
3301         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3302         don't use the "rd %pc" instruction on v9 for PIC register loads.
3303
3304 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
3305
3306         PR middle-end/52141
3307         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3308         in a transaction safe function.
3309
3310 2012-02-20  Kai Tietz  <ktietz@redhat.com>
3311
3312         PR target/52238
3313         * stor-layout.c (place_field): Handle desired_align for
3314         ms-bitfields, too.
3315
3316 2012-02-20  Richard Guenther  <rguenther@suse.de>
3317
3318         PR tree-optimization/52298
3319         * tree-vect-stmts.c (vectorizable_store): Properly use
3320         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3321         outer loops.
3322         (vectorizable_load): Likewise.
3323         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3324         Access DR_STEP after ensuring it is not NULL.
3325
3326 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
3327
3328         PR tree-optimization/52286
3329         * fold-const.c (fold_binary_loc): For (X & C1) | C2
3330         optimization use double_int_to_tree instead of build_int_cst_wide,
3331         rewrite to use double_int vars.
3332
3333 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3334
3335         PR target/50166
3336         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3337         Define _start.
3338         Remove -e 0 from $gcc_cv_ld invocation.
3339         Only use __GLIBC_PREREQ if defined.
3340         Enable on Solaris since Solaris 8 patch.
3341         (gcc_SUN_LD_VERSION): New macro.
3342         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3343         gcc_SUN_LD_VERSION for version number format.
3344         * configure: Regenerate.
3345         * varasm.c (get_elf_initfini_array_priority_section): Set
3346         SECTION_NOTYPE for non-default priority.
3347         Use get_section instead of get_unnamed_section to emit
3348         .init_array/.fini_array with default priority.
3349
3350 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3351
3352         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3353         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
3354         (mips_start_unique_function, mips_output_mips16_rdhwr)
3355         (mips_code_end): New functions.
3356         (TARGET_ASM_CODE_END): Define.
3357
3358 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3359
3360         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3361         to stubs with non-sibling calls.
3362
3363 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3364
3365         * doc/invoke.texi (-fira-* options): Copy-edit.
3366         (ira-* parameters): Copy-edit.
3367
3368 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3369
3370         * doc/invoke.texi: Minor copy-edits to bring into conformance with
3371         GCC coding conventions.
3372
3373 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3374
3375         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3376         when used as adjectives.
3377
3378 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
3379
3380         * doc/invoke.texi: Clean up "that"/"which" confusion.
3381
3382 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
3383
3384         * system.h: Poison SMALL_REGISTER_CLASSES
3385         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3386         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3387
3388 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3389
3390         PR tree-optimization/52285
3391         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3392         when deciding if a call is a tail call or tail recursion.
3393
3394 2012-02-16  Kai Tietz  <ktietz@redhat.com>
3395
3396         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3397         interger-constant displacement for UNSPEC_PCREL.
3398
3399 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3400
3401         PR rtl-optimization/52208
3402         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
3403         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
3404
3405         PR tree-optimization/52255
3406         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3407         loop->header has virtual PHI, but exit_e->dest doesn't, add
3408         virtual PHI to exit_e->dest and adjust all uses after the loop.
3409
3410         PR debug/52260
3411         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3412         children with clone_tree_hash, not after it.
3413
3414 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
3415
3416         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3417         extended identifiers.
3418
3419 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3420
3421         PR middle-end/51929
3422         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3423         a same_body_alias, also test whether e->callee isn't a former
3424         or current clone of the decl this is a same body alias of.
3425
3426         PR translation/52264
3427         * cgraphunit.c (verify_cgraph_node): Fix a typo.
3428
3429 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3430
3431         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
3432
3433 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
3434
3435         PR target/52199
3436         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
3437         force_reg instead of copy_to_reg for better optimization.  Force
3438         non-register or memory operands into a register.
3439
3440 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
3441
3442         * extend.texi: Reserve upper bits of memory model for future use.
3443
3444 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
3445             Anatoly Sokolov <aesok@post.ru>
3446             Eric Weddington <eric.weddington@atmel.com>
3447
3448         PR target/52261
3449         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3450         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3451         Rewrite initializers for .macro.
3452         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3453         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3454         atxmega32d4, atxmega32x1.
3455         avrxmega4: atxmega64a3, atxmega64d3.
3456         avrxmega5: atxmega64a1, atxmega64a1u.
3457         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3458         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3459         avrxmega7: atxmega128a1, atxmega128a1u.
3460         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3461         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3462         (struct base_arch_s): Rename reserved to xmega_p.
3463         Rename reserved2 to have_rampd.
3464         (AVR_XMEGA): New define.
3465         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3466         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3467         * config/avr/predicates.md (io_address_operand): Take into
3468         account SFR offset.
3469         (low_io_address_operand): Ditto.
3470         (high_io_address_operand): Ditto.
3471         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3472         (enabled, movhi_sp_r): Use them.
3473         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3474         cpp_define_formatted to built-in define __AVR_ARCH__.
3475         (__AVR_XMEGA__): New built-in define.
3476         (__AVR_HAVE_RAMPD__): New built-in define.
3477         (__AVR_HAVE_RAMPX__): New built-in define.
3478         (__AVR_HAVE_RAMPY__): New built-in define.
3479         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3480
3481         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3482         (avr_option_override): Initialize them.
3483         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3484         (avr_init_expanders): Initialize them. No more block several calls.
3485         (emit_push_sfr): New static function.
3486         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3487         Handle AVR_XMEGA.
3488         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3489         (avr_print_operand): Print addreeses as symbols for
3490         RAMPX, RAMPY, RAMPD, CCP.
3491         (output_movhi): Handle AVR_XMEGA when writing to SP.
3492         (avr_out_movhi_mr_r_xmega): New static function.
3493         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3494         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
3495         __RAMPD__,  __CCP__ as needed.
3496
3497         * config/avr/multilib.h: Regenerate.
3498         * config/avr/t-multilib: Regenerate.
3499         * config/avr/avr-tables.opt: Regenerate.
3500
3501 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
3502
3503         PR tree-optimization/50561
3504         * graphite-flattening.c (lst_project_loop): Do not
3505         remove old scattering dimensions after flattening.
3506         (lst_do_flatten): Likewise.
3507
3508 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
3509
3510         * doc/extend.texi (AVR Built-in Functions): Remove doc for
3511         __builtin_avr_map8, __builtin_avr_map16.
3512         Document __builtin_avr_insert_bits.
3513
3514         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3515         (insert_bits): New insn.
3516         (adjust_len.map_bits): Rename to insert_bits.
3517         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3518         * avr-protos.h (avr_out_map_bits): Remove.
3519         (avr_out_insert_bits, avr_has_nibble_0xf): New.
3520         * config/avr/constraints.md (Cxf,C0f): New.
3521         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3522         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3523         New built-in define __BUILTIN_AVR_INSERT_BITS.
3524         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3525         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3526         (avr_move_bits): Rewrite.
3527         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3528         functions.
3529         (avr_map_op_t): New typedef.
3530         (avr_map_op): New static variable.
3531         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3532         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3533         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3534         (bdesc_3arg, avr_expand_triop_builtin): New.
3535         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3536         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3537         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3538         (avr_map_equal_p, avr_map_sig_p): Remove.
3539         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3540         (b